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Chandrayaan-2 orbiter makes its first observation of global distribution of Argon-40 in lunar exosphere. Chandra&rsquo;s Atmospheric Composition Explorer-2 (CHACE-2), the mass spectrometer onboard the orbiter made the unique observation. Here&#39;s all you need to know about Chandrayaan 2 orbiter&#39;s 1st discovery!</p>
India’s Chandrayaan-2 Orbiter’s First Observation- New Discovery On Distribution Of Ar40 Gas In Moon’s Atmosphere
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